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/*
* Unix SMB/CIFS implementation.
* Share Info parsing
* Copyright (C) Andrew Tridgell 1992-1997,
* Copyright (C) Jeremy Allison 2001.
* Copyright (C) Nigel Williams 2001.
* Copyright (C) Jelmer Vernooij 2005.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "librpc/gen_ndr/ndr_security.h"
#include "lib/tdb/include/tdb.h"
#include "lib/util/util_tdb.h"
#include "lib/samba3/samba3.h"
#include "system/filesys.h"
#define SHARE_DATABASE_VERSION_V1 1
#define SHARE_DATABASE_VERSION_V2 2 /* version id in little endian. */
NTSTATUS samba3_read_share_info(const char *fn, TALLOC_CTX *ctx, struct samba3 *db)
{
int32_t vers_id;
TDB_CONTEXT *tdb;
TDB_DATA kbuf, vbuf;
DATA_BLOB blob;
tdb = tdb_open(fn, 0, TDB_DEFAULT, O_RDONLY, 0600);
if (!tdb) {
DEBUG(0,("Failed to open share info database %s (%s)\n",
fn, strerror(errno) ));
return NT_STATUS_UNSUCCESSFUL;
}
/* Cope with byte-reversed older versions of the db. */
vers_id = tdb_fetch_int32(tdb, "INFO/version");
if ((vers_id == SHARE_DATABASE_VERSION_V1) || (IREV(vers_id) == SHARE_DATABASE_VERSION_V1)) {
/* Written on a bigendian machine with old fetch_int code. Save as le. */
vers_id = SHARE_DATABASE_VERSION_V2;
}
if (vers_id != SHARE_DATABASE_VERSION_V2) {
return NT_STATUS_UNSUCCESSFUL;
}
for (kbuf = tdb_firstkey(tdb); kbuf.dptr; kbuf = tdb_nextkey(tdb, kbuf))
{
struct ndr_pull *pull;
struct samba3_share_info *share;
char *name;
if (strncmp((char *)kbuf.dptr, "SECDESC/", strlen("SECDESC/")) != 0)
continue;
name = talloc_strndup(ctx, (char *)kbuf.dptr+strlen("SECDESC/"), kbuf.dsize-strlen("SECDESC/"));
db->shares = talloc_realloc(db, db->shares, struct samba3_share_info, db->share_count+1);
share = &db->shares[db->share_count];
db->share_count++;
share->name = talloc_strdup(db, name);
vbuf = tdb_fetch(tdb, kbuf);
blob.data = (uint8_t *)vbuf.dptr;
blob.length = vbuf.dsize;
pull = ndr_pull_init_blob(&blob, ctx, lp_iconv_convenience(global_loadparm));
ndr_pull_security_descriptor(pull, NDR_SCALARS|NDR_BUFFERS, &share->secdesc);
talloc_free(pull);
}
tdb_close(tdb);
return NT_STATUS_OK;
}
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